805942 has 16 divisors (see below), whose sum is σ = 1290240. Its totient is φ = 376488.

The previous prime is 805933. The next prime is 805967. The reversal of 805942 is 249508.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 805942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4743 + ... + 4909.

It is an arithmetic number, because the mean of its divisors is an integer number (80640).

2⁸⁰⁵⁹⁴² is an apocalyptic number.

805942 is a deficient number, since it is larger than the sum of its proper divisors (484298).

805942 is a wasteful number, since it uses less digits than its factorization.

805942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 805942 is about 897.7427248382. The cubic root of 805942 is about 93.0610459802.

The spelling of 805942 in words is "eight hundred five thousand, nine hundred forty-two".